Infiniti FX35, FX50 (S51). Manual — part 1710
DIAGNOSIS AND REPAIR WORK FLOW
SRC-5
< BASIC INSPECTION >
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
INFOID:0000000005241044
OVERALL SEQUENCE
DETAILED FLOW
JMHIA1324GB
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< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORK FLOW
1.
INTERVIEW THE CUSTOMER FOR THE SYMPTOM
Interview the customer for the symptom (the condition and the environment when the incident/malfunction
occurs).
>> GO TO 2.
2.
CHECK SYMPTOM
Check the symptom from the customer information.
>> GO TO 3.
3.
CHECK WARNING LAMP OPERATION
Check air bag warning lamp operation in the user mode. Refer to
SRC-16, "Air Bag Warning Lamp Diagnosis"
.
Are any malfunction detected?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK LOW VOLTAGE
Check low voltage. Refer to
Are any malfunction detected?
YES
>> GO TO 9.
NO
>> Check intermittent incident. Refer to
GI-36, "Intermittent Incident"
.
5.
CHECK SELF DIAGNOSTIC RESULTS
Check self diagnostic result with CONSULT-III or diagnosis mode.
If it is impossible to switch to diagnosis mode, follow the same procedure that DTC is not detected.
NOTE:
Perform the following procedure if DTC is detected.
• Record DTC (Print them out with CONSULT-III.)
• Erase self diagnostic result.
• Study the relationship between the malfunction that DTC or air bag warning lamp indicates and the symptom
that the customer describes.
• Check related service bulletins for information.
Is DTC detected?
YES
>> GO TO 6.
NO
>> GO TO 7.
6.
PERFORM DTC CONFIRMATION PROCEDURE
Perform DTC CONFIRMATION PROCEDURE for the DTC.
>> GO TO 8.
7.
PERFORM DIAGNOSIS ACCORDING TO WARNING LAMP OPERATION
1.
Check air bag warning lamp operation in the user mode. Refer to
SRC-16, "Air Bag Warning Lamp Diag-
.
2.
Perform Diagnosis Procedure for the air bag warning lamp operation. Refer to
(USER MODE).
>> GO TO 9.
8.
DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE
Inspect according to Diagnostic Procedure of the DTC.
>> GO TO 9.
9.
REPAIR OR REPLACE THE MALFUNCTION PART
DIAGNOSIS AND REPAIR WORK FLOW
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Repair or replace the malfunctioning part.
>> GO TO 10.
10.
FINAL CHECK
Check self diagnostic result and air bag warning lamp operation in the user mode.
Is the malfunction repaired?
YES
>> INSPECTION END
NO
>> GO TO 2.
SRC-8
< BASIC INSPECTION >
INSPECTION AND ADJUSTMENT
INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
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When replacing or removing and installing passenger seat, always perform zero point reset so that Occupant
Detection System is activated normally.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement
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WORK PROCEDURE WHEN REPLACING CONTROL UNIT
1.
PERFORM ZERO POINT RESET
Perform zero point reset. Refer to
SRC-8, "ZERO POINT RESET : Special Repair Requirement"
Is zero point reset performed normally?
YES
>> INSPECTION END
NO
>>
Check condition as per the following, and perform zero point reset again.
• Passenger seat is occupied by an object.
• Excessive vibration is applied while performing zero point reset.
• Occupant detection system is malfunctioning.
NOTE:
If “Incomplete” is displayed on “zero point reset current status”, zero point reset is not completed
normally. Check the condition as per the following and perform zero point reset again.
• Passenger seat is occupied by an object.
• Excessive vibration is applied while performing zero point reset.
• Occupant detection system is malfunctioning.
ZERO POINT RESET
ZERO POINT RESET : Description
INFOID:0000000005241047
Zero point reset is an initializing procedure for occupant detection sensor that must be performed when replac-
ing or removing and installing passenger seat.
If zero point reset is not performed, the initialization is incomplete and Occupant Detection System does not
operate normally.
NOTE:
• When zero point reset is performed once after removal and installation of passenger seat, CONSULT-III dis-
plays “complete”.
• When reinstalling passenger seat after removal, the initial value for occupant detection sensor changes, and
Occupant Detection System does not operate normally.
• Always perform zero point reset after performing the work as per the following.
- Reinstallation of passenger seat
- Installation of passenger seat that is zero point reset complete
- Installation of passenger seat that is zero point reset in complete
ZERO POINT RESET : Special Repair Requirement
INFOID:0000000005241048
1.
PERFORM ZERO POINT RESET
1.
Perform zero point reset.
NOTE:
When performing zero point reset, be careful of the items described as per the following.
• Perform zero point reset after installing passenger seat to the vehicle
• Do not put any objects on passenger seat
• Do not apply excessive vibration to the vehicle
• Do not touch the vehicle
• Do not tilt the vehicle
2.
Select start on “Zero point reset function” screen from, WORK SUPPORT of CONSULT-III “OCCUPANT
DETECTION”.
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